Home / 1,929.06-2,893.16-542.53

Finding the Fourth Proportional to 1,929.06, 2,893.16 and 542.53

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Solution

The fourth proportional to 1,929.06, 2,893.16 and 542.53 is: 813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.06 : 2,893.16 = 542.53 : x
  2. Step 2: Convert to fraction form
    1,929.06/2,893.16 = 542.53/x
  3. Step 3: Cross multiply
    1,929.06x = 2,893.16 × 542.53
  4. Step 4: Simplify right side
    1,929.06x = 1,569,634.23
  5. Step 5: Solve for x
    x = 1,569,634.23/1,929.06
  6. Step 6: Final answer
    x = 813.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.